Is your ISP blocking port 135? Test instructions
This quick test will establish whether you need a VPN or if you must use RPC over HTTP mode (Windows XP only) to connect to our Exchange servers.
- Open an MS-DOS Prompt:
• Windows 95/98/ME: Start -> Run -> type "command" (without the quotes) and click "OK"
• Windows NT/2000/XP: Start -> Run -> type "cmd" (without the quotes) and click "OK" - Inside the MS-DOS prompt, type "telnet 69.25.74.37 135" and hit the Enter key.
- Result:
• Windows 95/98/ME: A new window named "Telnet" will pop up. If you see a cursor blinking in the top left corner, then you don't need a VPN. If you see an hourglass and the title of the window changes to "Telnet - (None)", then you do need a VPN.
• Windows NT/2000/XP/2003: If you see "Connecting To 69.25.74.34...", then you need a VPN. If all the text clears you see a cursor blinking in the upper left corner, then you do not need a VPN.
- To close out the MS-DOS Prompt, hit the "X" in the top right hand corner of the window.
- Next step:
• Windows XP and Outlook 2003 only: follow the setup instructions instead for Setup Outlook 2003 using RPC over HTTP instead.
• Windows 95/98/ME/2000 and Outlook 2000/2002(XP)/2003: you do need a VPN, follow the instructions here to setup VPN.
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